Advertisements
Advertisements
प्रश्न
Arrange the following carboxylic acids with increasing order of their acidic strength and justify your answer.
1) 
2) 
3) 
Advertisements
उत्तर
- Increasing order of their acidic strength: 2 > 3 > 1.
- Oxygen atom is electronegative and exerts electron withdrawing inductive effect (–I effect).
- Thus, compound (2) and (3) are more acidic as compared to (1).
- However, the inductive effect decreases as the oxygen in the ring moves away from the carboxyl group. Therefore, compound (3) is less acidic than compound (2).
APPEARS IN
संबंधित प्रश्न
Answer in brief.
Formic acid is stronger than acetic acid. Explain.
Correct order of acid strength for
- acetic acid
- fluoroacetic acid
- 4-Nitrobenzoic acid
- 4-Methyl benzoic acid is ______.
What is the action of following on proponal?
Hydrazine
Write the preparation reactions for acid amide from the following.
Carboxylic acid
Write the preparation reactions for acid amide from the following.
Acid chloride
Write reactions for the following conversions.
Propanone to Propane
Write chemical reactions to convert –COOH group of acetic acid into the following.
CH4
Write reaction for preparation of acetophenone from benzoyl chloride.
Explain the acidic nature of carboxylic acids.
In the reaction,
\[\ce{CH3COOH ->[SOCl2] X ->[Sodium salt of carboxylic acid] Y}\].
The compound Y was found to be a mixed acid anhydride. Thus, the sodium salt of carboxylic acid used CANNOT be ____________.
Which of the following compounds reacts with ammonia to form urotropine?
Which is the gas evolved when carboxylic acids react with strongly electropositive metals (such as Na, K, Ca, Zn)?
The reducing agent preferred to convert carboxylic acids and esters to primary alcohols is ____________.
Which among the following is the strongest acid?
The oxidation number of B in NaBH4 is ____________.
Which of the following aromatic acids has less acidic strength than benzoic acid?
Which of the following compounds is obtained when ethanoic anhydride is treated with water?
Which of the following carboxylic acids ha highest acidic strength?
Write structure of adipic acid.
The number of bonding pairs and lone pairs of electrons present in the central atom of ammonia molecular are respectively.
Which of the following can reduce?
\[\ce{RCOOH -> RCH2OH}\]
How sodium bicarbonate test is used to distinguish between carboxylic acid and phenol?
Identify the product ‘B’ in the following sequence of reactions.
\[\ce{\underset{}{Methylpropanoate} ->[Δ][dil. NaOH] \underset{\underset{}{}}{A}->[H+][Conc. HCl] \underset{\underset{}{}}{B}}\]
Which of the following can not be oxidised to give carboxylic acid?
